Goaded by rising floodwaters and the Louisiana governor's evacuation order, residents—including cats in a plastic tub—are escaping in boats and helicopters.
Researchers have found the first reported chimpanzee fossils in Kenya's Rift Valley. The discovery provides the first physical evidence that chimpanzees coexisted with human ancestors in Africa.
Scientists say chimpanzees teach each other new and useful behavior and conform to their group's dominant techniques for performing them—a hallmark of human culture.
An extraordinary proposal to have lions, elephants, and other big African mammals roam wild across the U.S. Great Plains has been slammed by conservation groups.
New analysis of mile-thick lava deposits in India suggests a buildup of gases triggered by massive volcanic eruptions may have snuffed out the dinosaurs.
Researchers hoping to increase the breeding rate of southern Africa's increasingly rare ground hornbill have taken to feeding abandoned chicks with puppets disguised as the birds' parents.
"Love will find a way," coos the surprise hit movie. But do penguins really have emotions? Animal experts say the issue is anything but black-and-white.
